Power supply unit power 550 watt certificates 80 plus bronze pci express connectors 8 pin 1 pci express connectors 6 pin 1 serial ata connections 5 motherboard power connectors atx12v 204 pins floppy 1 peripheral connectors 4 pin 4 current strengths 3 3v 25 a 5v 25 a 5vsb 3 a 12v1 19 a 12v2 19 a 12v 0 8 a current 12v 38 a combined power 33v5v 130 watt combined power 12v 456 watt